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P1673 Land Rover Code - Engine Anti-Theft Signal New ECM Not Configured

Quick Answer

The P1673 code for Land Rover vehicles indicates that the Engine Anti-Theft Signal is not configured properly on the new Engine Control Module (ECM). Common causes include Faulty anti-theft system, Malfunctioning Engine Control Module (ECM), Wiring issues or shorts in the anti-theft system circuit. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1673 Land Rover indicates Engine Anti-Theft Signal New ECM Not Configured.
Common causes
Common causes include Faulty anti-theft system, Malfunctioning Engine Control Module (ECM), Wiring issues or shorts in the anti-theft system circuit.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P1673 Land Rover Description

The P1673 code for Land Rover vehicles indicates that the Engine Anti-Theft Signal is not configured properly on the new Engine Control Module (ECM). The engine anti-theft system is designed to prevent the engine from starting without the correct key or signal, thus deterring theft. When the ECM does not receive the proper anti-theft signal, it may prevent the engine from starting or cause it to run poorly.

OBDII Code P1673 Land Rover - Engine Anti-Theft Signal New ECM Not Configured
P1673 Land Rover Code - Engine Anti-Theft Signal New ECM Not Configured

Common Causes of P1673 Land Rover

  1. Faulty anti-theft system
  2. Malfunctioning Engine Control Module (ECM)
  3. Wiring issues or shorts in the anti-theft system circuit
  4. Communication error between the ECM and anti-theft system
  5. Battery or power supply issues affecting the anti-theft system

Symptoms of P1673 Land Rover

  1. Engine not starting or starting intermittently
  2. Engine running in reduced power mode
  3. Warning lights illuminated on the dashboard
  4. Vehicle stalling or shutting off unexpectedly
  5. Loss of power or acceleration

How to Fix P1673 Land Rover

  1. Perform a diagnostic scan to confirm the P1673 code and pinpoint the exact cause of the issue.
  2. Inspect the anti-theft system components, including the key, ignition system, and related wiring, for any faults or damage.
  3. Check the Engine Control Module (ECM) for proper configuration and communication with the anti-theft system.
  4. Reset the anti-theft system and reprogram the ECM if necessary to ensure proper configuration and signal reception.
  5. Test the vehicle to confirm that the engine starts and runs smoothly without any further issues.

Cost to Fix P1673 Land Rover

The cost of repairing a P1673 code on a Land Rover can vary depending on the specific cause of the issue and the labor rates at the repair shop. On average, the repair cost for this type of issue may range from $200 to $500, including parts and labor. However, it is important to note that diagnostic time, parts prices, and labor rates can vary significantly based on location, the vehicle's make and model, and the specific repair shop. It is advisable to consult with a trusted mechanic or dealership for a more accurate estimate based on your individual circumstances.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1673 Land Rover Code

1. What are the common symptoms of OBDII code P1673 on a Land Rover related to "Engine Anti-Theft Signal New ECM Not Configured"?

- Common symptoms include difficulty starting the vehicle, engine stalling, and the immobilizer system being activated.

2. What could cause the OBDII code P1673 to trigger on a Land Rover?

- The code P1673 can be triggered when a new Engine Control Module (ECM) is installed but not properly configured with the anti-theft system.

3. How can I troubleshoot OBDII code P1673 on my Land Rover?

- To troubleshoot code P1673, you should check the connections between the new ECM and the vehicle's anti-theft system. Ensure the ECM is programmed correctly for the specific Land Rover model.

4. Can I drive my Land Rover with OBDII code P1673 present?

- It is not recommended to drive your vehicle with code P1673 active, as it may lead to starting issues or stalling while driving.

5. How do I repair OBDII code P1673 related to "Engine Anti-Theft Signal New ECM Not Configured" on my Land Rover?

- The repair typically involves reprogramming or configuring the new ECM to communicate properly with the anti-theft system. This may require professional diagnostic equipment.

6. Is it possible to reset OBDII code P1673 on my Land Rover without professional help?

- You may be able to clear the code temporarily using an OBDII scanner, but the underlying issue of the new ECM not being configured correctly must be addressed for a permanent solution.

7. Will OBDII code P1673 on my Land Rover cause permanent damage if left unresolved?

- While the code itself may not cause immediate damage, ignoring it could lead to potential issues with the vehicle's anti-theft system and overall performance.

8. Can a DIY enthusiast with basic automotive knowledge fix OBDII code P1673 on a Land Rover?

- Depending on the individual's skill level, it may be possible to address the code by ensuring the new ECM is properly configured. However, professional help is recommended for accurate diagnosis and repair.

9. How long does it typically take to resolve OBDII code P1673 on a Land Rover?

- The time needed to resolve code P1673 can vary based on the complexity of the issue and the availability of specialized tools. It's best to consult a qualified mechanic for an accurate estimate.

10. Are there any preventive measures to avoid encountering OBDII code P1673 on a Land Rover in the future?

- To prevent code P1673, ensure that any ECM replacements are properly configured and programmed by a qualified technician to avoid compatibility issues with the anti-theft system.

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